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May Weather in Sao Jacinto, Portugal

Last updated: August 27, 2025

The average temperature in Sao Jacinto, Portugal during May is a pleasant 17°C (63°F), with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 30°C (87°F). Expect about 64 mm (2.5 in) of precipitation over 8 days, contributing to an average humidity of 78%. Get ready for a month of varied weather!

May Temperature in Sao Jacinto

In May in Sao Jacinto, the average temperature is 17°C (63°F). Maximums can reach 30°C (87°F) and minimums can be as low as 9°C (48°F). This pleasant range makes it an ideal time for travelers to enjoy outdoor activities and explore the beauty of Sao Jacinto.

May Weather in Sao Jacinto: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sao Jacinto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Jacinto, May typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (87°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec515455586365686867635754
Data source: Temperature data for Sao Jacinto generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Sao Jacinto

In Sao Jacinto in May, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

May Precipitation Trends in Sao Jacinto

The chart displays monthly precipitation patterns in Sao Jacinto, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Sao Jacinto, May typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec771091141146432131432101137150
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sao Jacinto

In Sao Jacinto in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

May Average Humidity in Sao Jacinto

This chart illustrates the average monthly humidity levels in Sao Jacinto, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Sao Jacinto is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sao Jacinto

In Sao Jacinto in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sao Jacinto.

Maximum UV Index Levels in Sao Jacinto for May

The chart shows the monthly maximum UV Index (UVI) for Sao Jacinto in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Sao Jacinto typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098642
Data source: Sao Jacinto May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Sao Jacinto Compares to Other Months

Weather in Sao Jacinto varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sao Jacinto, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sao Jacinto, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)77 mm (3.0 inches)87%low
February Weather12°C (54°F)109 mm (4.3 inches)81%moderate
March Weather13°C (56°F)114 mm (4.5 inches)78%high
April Weather15°C (58°F)114 mm (4.5 inches)79%very high
May Weather17°C (63°F)64 mm (2.5 inches)78%very high
June Weather18°C (65°F)32 mm (1.3 inches)71%very high
July Weather20°C (68°F)13 mm (0.5 inches)63%very high
August Weather20°C (69°F)14 mm (0.5 inches)64%very high
September Weather20°C (68°F)32 mm (1.3 inches)71%very high
October Weather17°C (63°F)101 mm (4.0 inches)79%high
November Weather14°C (57°F)137 mm (5.4 inches)86%moderate
December Weather12°C (54°F)150 mm (5.9 inches)87%low

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